package com.gec.web.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
@WebFilter("/*")
public class EncodingFilter implements Filter {
	
	@Override
	public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain)
			throws IOException, ServletException {
			req.setCharacterEncoding("utf-8");
			resp.setContentType("text/html;charset=utf-8");
			
			//进来的时候
			chain.doFilter(req, resp);//chain让下一个过滤器
			//回去的时候
	}

}
